[all-commits] [llvm/llvm-project] a2ba4e: [ConstraintElimination] Handle solving-only `ICMP_...

[Antonio Frighetto via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: a2ba4e8075140a97680edf1878535c4c2c651b19
      https://github.com/llvm/llvm-project/commit/a2ba4e8075140a97680edf1878535c4c2c651b19
  Author: Antonio Frighetto <me at antoniofrighetto.com>
  Date:   2023-06-29 (Thu, 29 Jun 2023)

  Changed paths:
    M llvm/lib/Transforms/Scalar/ConstraintElimination.cpp
    M llvm/test/Transforms/ConstraintElimination/constants-unsigned-predicates.ll
    M llvm/test/Transforms/ConstraintElimination/ne.ll

  Log Message:
  -----------
  [ConstraintElimination] Handle solving-only `ICMP_NE` predicates

Simplification of non-equality predicates for solving constraint
systems is now supported by checking the validity of related
inequalities and equalities.

Differential Revision: https://reviews.llvm.org/D152684